karen5022 karen5022

04-03-2017
Chemistry

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How many moles of tungsten atoms are in 4.8x10^25 atoms of tungsten?

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keisurin keisurin

04-03-2017

number of moles = number of atoms/Avogadro's number
= (4.8x10^25)/(6.02x10^23)
=79.7 mol (3sf)

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